Tokyo, Japan

Hiroyuki Kawasaki

This inventor holds 28 USPTO granted patents and 6 published patent applications and 4 EPO patents, primarily in Vacuum Technology. Top assignees: Ebara Corporation, Tone Boring Company Limited, Ebera Corporation. Active years: 1988-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Kawasaki. Retrieved from https://idiyas.com/inventor/hiroyuki-kawasaki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 28 

% Patents Active = 82.1

 

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 133(Granted Patents)


Location History:

  • Hachiouji, JP (1988 - 1999)
  • Chigasaki, JP (2001 - 2005)
  • Tokyo, JP (1988 - 2023)

Company Filing History:


Years Active: 1988-2025

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Areas of Expertise:
Turbo-Molecular Pump
Vacuum Exhaust System
Substrate Processing
Gas Recirculation
Double-Suction Centrifugal Pump
Vertical Multi-Stage Pump
Abrasive Film
Polishing Method
Liquid Ring Vacuum Pump
Turbo Vacuum Pump
Air Pressure Impact Drilling
Trench Excavator
28 patents (USPTO):Explore Patents

Title: **Hiroyuki Kawasaki: A Visionary Innovator in Pump Technology**

Introduction

Hiroyuki Kawasaki, based in Tokyo, Japan, is an acclaimed inventor with a remarkable portfolio of 27 patents. His contributions to the field of pump technology have significantly advanced engineering solutions, showcasing his ability to merge innovation with practicality.

Latest Patents

Among Kawasaki's latest inventions is a **Vertical Multi-Stage Pump**. This innovative pump features a rotation shaft extending vertically, equipped with multiple impellers that enhance its efficiency. The design includes a multi-stage pump chamber with a suction port for the first-stage impeller, ensuring optimal fluid dynamics. Another notable invention is the **Pump Apparatus**, which comprises a pump with an impeller, an electric motor for rotation, and an inverter that allows variable speed operation while maintaining a non-limit load characteristic within a specific discharge flow-rate range. These inventions exemplify Kawasaki's forward-thinking approach to liquid delivery systems.

Career Highlights

Throughout his career, Hiroyuki Kawasaki has made substantial impacts while working with reputable companies such as Ebara Corporation and Tone Boring Company Limited. His experiences at these organizations have provided him with a solid foundation in mechanical engineering, enabling him to propel the innovation landscape forward.

Collaborations

Kawasaki has collaborated with several talented professionals, including Yu Ishii and Kenya Ito. These collaborations have fostered a rich environment for idea exchange and innovation development, contributing to the success of his patent portfolio.

Conclusion

Hiroyuki Kawasaki's dedication to innovation in pump technology has established him as a key figure in the industry. With an impressive array of patents and significant contributions to enduring projects, he continues to shape the future of engineering solutions, inspiring fellow inventors and engineers alike.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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